Index: configure.ac
==================================================================
--- configure.ac
+++ configure.ac
@@ -43,22 +43,10 @@
 #    BUILD_EXEEXT
 #
 #        The filename extension for executables on the build
 #        platform.  "" for Unix and ".exe" for Windows.
 #
-#    TARGET_CC
-#
-#        The name of a command that runs on the build platform
-#        and converts C source files into *.o files for the
-#        target platform.  In other words, the cross-compiler.
-#
-#    TARGET_CFLAGS
-#
-#        Switches that the target compiler needs to turn C source files
-#        into *.o files.  Do not include TARGET_TCL_INC in this list.
-#        Makefiles might add additional switches such as "-I.".
-#
 #    TCL_*
 #
 #        Lots of values are read in from the tclConfig.sh script,
 #        if that script is available.  This values are used for
 #        constructing and installing the TCL extension.
@@ -74,22 +62,10 @@
 #
 #        This variables define the directory that contain header
 #        files for the readline library.  If the compiler is able 
 #        to find <readline.h> on its own, then this can be blank.
 #
-#    TARGET_LINK
-#
-#        The name of the linker that combines *.o files generated
-#        by TARGET_CC into executables for the target platform.
-#
-#    TARGET_LIBS
-#
-#        Additional libraries or other switch that the target linker needs
-#        to build an executable on the target.  Do not include
-#        on this list any libraries in TARGET_TCL_LIBS and
-#        TARGET_READLINE_LIBS, etc.
-#
 #    TARGET_EXEEXT
 #
 #        The filename extension for executables on the
 #        target platform.  "" for Unix and ".exe" for windows.
 #
@@ -114,11 +90,11 @@
 AC_INIT(src/sqlite.h.in)
 
 dnl Put the RCS revision string after AC_INIT so that it will also
 dnl show in in configure.
 # The following RCS revision string applies to configure.in
-# $Revision: 1.27 $
+# $Revision: 1.28 $
 
 #########
 # Programs needed
 #
 AC_PROG_LIBTOOL
@@ -182,100 +158,23 @@
 
 #########
 # Locate a compiler for the build machine.  This compiler should
 # generate command-line programs that run on the build machine.
 #
-default_build_cflags="-g"
-if test "$config_BUILD_CC" = ""; then
-  AC_PROG_CC
-  if test "$cross_compiling" = "yes"; then
-    AC_MSG_ERROR([unable to find a compiler for building build tools])
-  fi
-  BUILD_CC=$CC
-  default_build_cflags=$CFLAGS
+if test x"$cross_compiling" = xno; then
+	BUILD_CC=$CC
+	BUILD_CFLAGS=$CFLAGS
 else
-  BUILD_CC=$config_BUILD_CC
-  AC_MSG_CHECKING([host compiler])
-  CC=$BUILD_CC
-  AC_MSG_RESULT($BUILD_CC)
-fi
-AC_MSG_CHECKING([switches for the host compiler])
-if test "$config_BUILD_CFLAGS" != ""; then
-  CFLAGS=$config_BUILD_CFLAGS
-  BUILD_CFLAGS=$config_BUILD_CFLAGS
-else
-  BUILD_CFLAGS=$default_build_cflags
-fi
-AC_MSG_RESULT($BUILD_CFLAGS)
-if test "$config_BUILD_LIBS" != ""; then
-  BUILD_LIBS=$config_BUILD_LIBS
+	if test "${BUILD_CC+set}" != set; then
+		AC_CHECK_PROGS(BUILD_CC, gcc cc cl)
+	fi
+	if test "${BUILD_CFLAGS+set}" != set; then
+		BUILD_CFLAGS="-g"
+	fi
 fi
 AC_SUBST(BUILD_CC)
 AC_SUBST(BUILD_CFLAGS)
-AC_SUBST(BUILD_LIBS)
-
-##########
-# Locate a compiler that converts C code into *.o files that run on
-# the target machine.
-#
-AC_MSG_CHECKING([target compiler])
-if test "$config_TARGET_CC" != ""; then
-  TARGET_CC=$config_TARGET_CC
-else
-  TARGET_CC=$BUILD_CC
-fi
-AC_MSG_RESULT($TARGET_CC)
-AC_MSG_CHECKING([switches on the target compiler])
-if test "$config_TARGET_CFLAGS" != ""; then
-  TARGET_CFLAGS=$config_TARGET_CFLAGS
-else
-  TARGET_CFLAGS=$BUILD_CFLAGS
-fi
-AC_MSG_RESULT($TARGET_CFLAGS)
-AC_MSG_CHECKING([target linker])
-if test "$config_TARGET_LINK" = ""; then
-  TARGET_LINK=$TARGET_CC
-else
-  TARGET_LINK=$config_TARGET_LINK
-fi
-AC_MSG_RESULT($TARGET_LINK)
-AC_MSG_CHECKING([switches on the target compiler])
-if test "$config_TARGET_TFLAGS" != ""; then
-  TARGET_TFLAGS=$config_TARGET_TFLAGS
-else
-  TARGET_TFLAGS=$BUILD_CFLAGS
-fi
-if test "$config_TARGET_RANLIB" != ""; then
-  TARGET_RANLIB=$config_TARGET_RANLIB
-else
-  AC_PROG_RANLIB
-  TARGET_RANLIB=$RANLIB
-fi
-if test "$config_TARGET_AR" != ""; then
-  TARGET_AR=$config_TARGET_AR
-else
-  TARGET_AR='ar cr'
-fi
-AC_MSG_RESULT($TARGET_TFLAGS)
-AC_SUBST(TARGET_CC)
-AC_SUBST(TARGET_CFLAGS)
-AC_SUBST(TARGET_LINK)
-AC_SUBST(TARGET_LFLAGS)
-AC_SUBST(TARGET_RANLIB)
-AC_SUBST(TARGET_AR)
-
-# Set the $cross variable if we are cross-compiling.  Make
-# it 0 if we are not.
-#
-AC_MSG_CHECKING([if host and target compilers are the same])
-if test "$BUILD_CC" = "$TARGET_CC"; then
-  cross=0
-  AC_MSG_RESULT(yes)
-else
-  cross=1
-  AC_MSG_RESULT(no)
-fi
 
 ##########
 # Do we want to support multithreaded use of sqlite
 #
 AC_ARG_ENABLE(threadsafe, 
@@ -399,11 +298,11 @@
 if test "$CYGWIN" = "yes"; then
   BUILD_EXEEXT=.exe
 else
   BUILD_EXEEXT=$EXEEXT
 fi
-if test "$cross" = "0"; then
+if test x"$cross_compiling" = xno; then
   TARGET_EXEEXT=$BUILD_EXEEXT
 else
   TARGET_EXEEXT=$config_TARGET_EXEEXT
 fi
 if test "$TARGET_EXEEXT" = ".exe"; then
@@ -435,19 +334,10 @@
 AC_SUBST(OS_UNIX)
 AC_SUBST(OS_WIN)
 AC_SUBST(OS_OS2)
 AC_SUBST(TARGET_EXEEXT)
 
-##########
-# Extract generic linker options from the environment.
-#
-if test "$config_TARGET_LIBS" != ""; then
-  TARGET_LIBS=$config_TARGET_LIBS
-else
-  TARGET_LIBS=""
-fi
-
 ##########
 # Figure out all the parameters needed to compile against Tcl.
 #
 # This code is derived from the SC_PATH_TCLCONFIG and SC_LOAD_TCLCONFIG
 # macros in the in the tcl.m4 file of the standard TCL distribution.
@@ -684,17 +574,12 @@
 # Redefine fdatasync as fsync on systems that lack fdatasync
 #--------------------------------------------------------------------
 
 AC_CHECK_FUNC(fdatasync, [TARGET_CFLAGS="$TARGET_CFLAGS -DHAVE_FDATASYNC=1"])
 
-#########
-# Put out accumulated miscellaneous LIBRARIES
-#
-AC_SUBST(TARGET_LIBS)
-
 #########
 # Generate the output files.
 #
 AC_OUTPUT([
 Makefile
 sqlite3.pc
 ])